Invention Grant
- Patent Title: System for controlling the position of a feed roller
- Patent Title (中): 用于控制进给辊位置的系统
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Application No.: US12599672Application Date: 2008-05-01
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Publication No.: US08684291B2Publication Date: 2014-04-01
- Inventor: Edwin N. Galloway , James L. O'Halloran
- Applicant: Edwin N. Galloway , James L. O'Halloran
- Applicant Address: US IA Pella
- Assignee: Vermeer Manufacturing Company
- Current Assignee: Vermeer Manufacturing Company
- Current Assignee Address: US IA Pella
- Agency: Merchant & Gould P.C.
- International Application: PCT/US2008/062236 WO 20080501
- International Announcement: WO2008/140956 WO 20081120
- Main IPC: B02C25/00
- IPC: B02C25/00
Abstract:
A feed system that is configured to more effectively grab and pull brush and tree materials into a chipper is provided. The system of the present disclosure is configured such that a large, heavy tree trunk can be effectively pulled into the chipper. The system includes a hydraulic pump that applies variable down pressure on a feed roller.
Public/Granted literature
- US20110006142A1 SYSTEM FOR CONTROLLING THE POSITION OF A FEED ROLLER Public/Granted day:2011-01-13
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